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Supersonic flow diagnostics by single‐shot time‐domain coherent anti‐Stokes Raman scattering
Author(s) -
Ribet I.,
Scherrer B.,
Bouchardy P.,
Pot Th.,
Taran J.P.,
Lefebvre M.
Publication year - 2000
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/1097-4555(200008/09)31:8/9<689::aid-jrs598>3.0.co;2-8
Subject(s) - raman scattering , supersonic speed , mach number , coherent anti stokes raman spectroscopy , laminar flow , choked flow , optics , time domain , raman spectroscopy , flow (mathematics) , pulse (music) , physics , mechanics , computer science , computer vision , detector
Single‐shot time‐domain coherent anti‐Stokes Raman scattering (CARS) can now be used for temperature and velocity measurements in low‐pressure supersonic flows. In this paper, the range of operation of the technique is specified. Both rotational and vibrational CARS are considered. In addition, the dependence of the anti‐Stokes response on the laser pulse properties is discussed. We also report experiments carried out in a Mach 10 laminar flow. Copyright © 2000 John Wiley & Sons, Ltd.